Recent cases show the U.S. Patent and Trademark Office director's interest in using director review to address substantive issues like obviousness, not just procedural matters or changes in the law.

Taxpayers sometimes find themselves opening an envelope bearing the return address of the Department of the Treasury. Inside may be an IRS notice assessing additional tax, proposing changes to prior ...

For months, the Republican primary seemed like the most competitive side of the political divide. But the race on the left keeps getting tighter. On Monday, all three Democratic presidential ...